Role of glial cells and other parts of the nervous system. Introduction: The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

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Answer 1

Question

Chapter 22, Problem 1RTC

Summary Introduction

To analyze:

Role of glial cells and other parts of the nervous system.

Introduction:

The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

Expert Solution & Answer

Explanation of Solution

Glial cells are the most abundant cells present around the neurons to support and insulate them. There are three types of glial cells; oligodendrocytes, Schwann cells, and Astrocytes. Oligodendrocytes and Schwann cells produce myelin sheath and help in the insulation of the axon while the astrocytes induce the formation of a synapse between two neurons.

Conclusion

Glial cells provide strength supports and insulation to the neurons. Astrocytes are a type of glial cell that helps in the formation of synapses between neurons.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 22, Problem 1RTC

Summary Introduction

To analyze:

Role of glial cells and other parts of the nervous system.

Introduction:

The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

Expert Solution & Answer

Explanation of Solution

Glial cells are the most abundant cells present around the neurons to support and insulate them. There are three types of glial cells; oligodendrocytes, Schwann cells, and Astrocytes. Oligodendrocytes and Schwann cells produce myelin sheath and help in the insulation of the axon while the astrocytes induce the formation of a synapse between two neurons.

Conclusion

Glial cells provide strength supports and insulation to the neurons. Astrocytes are a type of glial cell that helps in the formation of synapses between neurons.

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Answer 3

Question

Chapter 22, Problem 1RTC

Summary Introduction

To analyze:

Role of glial cells and other parts of the nervous system.

Introduction:

The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

Expert Solution & Answer

Explanation of Solution

Glial cells are the most abundant cells present around the neurons to support and insulate them. There are three types of glial cells; oligodendrocytes, Schwann cells, and Astrocytes. Oligodendrocytes and Schwann cells produce myelin sheath and help in the insulation of the axon while the astrocytes induce the formation of a synapse between two neurons.

Conclusion

Glial cells provide strength supports and insulation to the neurons. Astrocytes are a type of glial cell that helps in the formation of synapses between neurons.

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Answer 4

Question

Chapter 22, Problem 1RTC

Summary Introduction

To analyze:

Role of glial cells and other parts of the nervous system.

Introduction:

The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

Expert Solution & Answer

Explanation of Solution

Glial cells are the most abundant cells present around the neurons to support and insulate them. There are three types of glial cells; oligodendrocytes, Schwann cells, and Astrocytes. Oligodendrocytes and Schwann cells produce myelin sheath and help in the insulation of the axon while the astrocytes induce the formation of a synapse between two neurons.

Conclusion

Glial cells provide strength supports and insulation to the neurons. Astrocytes are a type of glial cell that helps in the formation of synapses between neurons.

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Answer 5

Chapter 22, Problem 1RTC

Summary Introduction

To analyze:

Role of glial cells and other parts of the nervous system.

Introduction:

The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

Expert Solution & Answer

Explanation of Solution

Glial cells are the most abundant cells present around the neurons to support and insulate them. There are three types of glial cells; oligodendrocytes, Schwann cells, and Astrocytes. Oligodendrocytes and Schwann cells produce myelin sheath and help in the insulation of the axon while the astrocytes induce the formation of a synapse between two neurons.

Conclusion

Glial cells provide strength supports and insulation to the neurons. Astrocytes are a type of glial cell that helps in the formation of synapses between neurons.

Answer 6

Chapter 22, Problem 1RTC

Summary Introduction

To analyze:

Role of glial cells and other parts of the nervous system.

Introduction:

The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

Expert Solution & Answer

Explanation of Solution

Glial cells are the most abundant cells present around the neurons to support and insulate them. There are three types of glial cells; oligodendrocytes, Schwann cells, and Astrocytes. Oligodendrocytes and Schwann cells produce myelin sheath and help in the insulation of the axon while the astrocytes induce the formation of a synapse between two neurons.

Conclusion

Glial cells provide strength supports and insulation to the neurons. Astrocytes are a type of glial cell that helps in the formation of synapses between neurons.

Answer 7

Chapter 22, Problem 1RTC

Summary Introduction

To analyze:

Role of glial cells and other parts of the nervous system.

Introduction:

The nervous system helps in the coordination and control of all the organs and functions of the body. It is categorized into two parts; the central nervous system and the peripheral nervous system. The brain is an organ of the central nervous system.

Answer 8

Expert Solution & Answer

Explanation of Solution

Glial cells are the most abundant cells present around the neurons to support and insulate them. There are three types of glial cells; oligodendrocytes, Schwann cells, and Astrocytes. Oligodendrocytes and Schwann cells produce myelin sheath and help in the insulation of the axon while the astrocytes induce the formation of a synapse between two neurons.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

Glial cells provide strength supports and insulation to the neurons. Astrocytes are a type of glial cell that helps in the formation of synapses between neurons.

Answer 12

Ch. 22 - Prob. 1RTC Ch. 22 - Prob. 2RTC Ch. 22 - Prob. 3RTC Ch. 22 - Prob. 4RTC Ch. 22 - Prob. 5RTC Ch. 22 - Prob. 6RTC Ch. 22 - Prob. 7RTC Ch. 22 - Prob. 8RTC Ch. 22 - Prob. 9RTC Ch. 22 - Prob. 10RTC

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